Sentences with phrase «cell activity during»

This is also the time for soft tissue (muscles, tendons, ligaments) repair and the removal of chemicals that build up as a result of cell activity during exercise.
The researchers used optogenetics to influence PV - cell activity during the seconds the animals needed to be attentive.

Not exact matches

«Because brain cells release amyloid beta during activity, we think if the brain cells can't rest the way they're supposed to and get that deep sleep, they produce a relative excess of amyloid,» Dr. Yo - El Ju of Washington University, an author of that study, told Reuters.
During a blackout, the brain cells in that area cease their activity until it is restored.
The process takes place by means of a mechanism — unveiled in this study — that inhibits the activity of the osteoblasts, the cells that produce the bone matrix so that bones can grow during childhood and youth, and remain in good condition in adulthood.
And a new analysis of the STEP trial, published last November in Proceedings of the National Academy of Sciences USA, provides a warning that the very vectors (adenoviruses, which are also employed in other vaccine development work) used to distribute the inactive HIV strains can actually make the immune system more vulnerable to infection by recruiting susceptible T cells to mucous membranes, where they are more likely to be infected during sexual activity.
«What we saw was that during learning, different patterns of activity — which cells are active, when they're active — were evident in the motor cortex,» says Peters.
Every time linear chromosomes are replicated during late S phase, the DNA polymerase complex is incapable of replicating all the way to the end of the chromosome; if it were not for telomeres, this would quickly result in the loss of vital genetic information, which is needed to sustain a cell's activities.
The Leuven - based VIB researchers have revealed a mechanism that explains why the anti-tumor activity of specific immune cells called macrophages is suppressed during tumor growth.
During the secretory stage, the ameloblasts showed prominent Tomes» processes therefore was there was no indication of disruption of cell structures or activities.
This led to a gradual increase in Spo0A activity as opposed to a spike, and such cells were several times more likely to fail or die during sporulation.
And a new analysis of the stopped STEP trial, published online Monday in Proceedings in the National Academy of Sciences, provides a warning that the very vectors (adenoviruses, which are also employed in other vaccine development) used to distribute the inactive HIV strains can actually prime the immune system to be infected by recruiting susceptible T cells to mucous membranes, where they are more likely to be infected during sexual activity.
Foster and Wilson say previous studies have demonstrated how rats» hippocampal cells rerun patterns of neural activity during sleep.
Thus, the ERF115 - phytosulfokine network acts as a back - up system during stress conditions which are detrimental for the activity of stem cells.
Resonance in the activity of nerve cells (left) allows activity within the brain to travel over large distances, e.g. from the back of the head to the front during the processing of visual stimuli.
But Clark and her colleagues have taken a new approach: instead of looking during the height of activity, they examined lesion sites after treatment, and identified T cell receptors of cells at these sites that were shared across psoriatic patients but not found in healthy individuals or those with other skin conditions.
The probe also has no apparent toxicity in most mammalian cells, so it can be used to monitor in vivo MAO - B activities during various stages of the disease.
The researchers measured the activity of place cells in the brains of rats during three different experimental conditions.
Using bioinformatics tools to identify and map out specific components and regulatory interconnections, the study team found highly dynamic activities during CD8 + T cell responses: a distinct repertoire of super enhancers — groups of enhancers that interact with promoters to drive gene transcription, new groups of enhancers that jump into activity only in the memory cell stage, and extensive re-wiring of regulatory circuits from one cell stage to another.
In normal mice, these neurons — a subset of nerve cells that release the neurotransmitter gamma - amino butyric acid (GABA), and so are called GABAergic neurons — are most active during waking periods when the mice are eating or grooming, two highly pleasurable activities.
The orientation - specific edge - apposing activity of these «border cells» is maintained when the environment is stretched and during testing in enclosures of different size and shape in different rooms.
Based on the activity of nerve cells measured during the planning and execution of the grasping movements, scientists could subsequently draw conclusions on the applied grip types.
When instead the scientists suppressed activity in the same nerve - cell population during the typically active period of the mice's 24 - hour cycle, the mice conked out, snoozing through the presence of surefire arousal triggers: delicious high - fat chow, a female or fear - inducing fox urine.
The GPS collars delivered highly accurate locations of the study animals (via satellites or cell towers) so the researchers were able to visit these locations during winter to investigate their activities and document predation patterns.
To better understand these mechanisms, Too and colleagues infected human motor neuron cells with EV71 and compiled a list of human proteins that showed changes in activity during infection.
This «hyperspectral imaging» measures light that cells naturally produce during their normal activities.
In their January publication in the Journal of Neurophysiology, researchers Michael A. Gaffield, Ph.D., Samanta B. Amat, and Jason M. Christie, Ph.D., describe the modification of imaging and behavior techniques allowing them to monitor the activity of Purkinje cells over seven consecutive weeks during the course of a motor association task, in particular, the licking behavior of mice.
Moreover, when the scientists blocked the firing of the zona incerta neurons during low frequency stimulation of the central thalamus, the average activity of sensory cortex cells increased.
They also found that the disruption of the connectivity of these cells during brain development causes alterations in brain oscillatory activity and disturbs the function of place cells, a type of pyramidal neuron that becomes active when an animal is located in a particular place in its environment.
Normal maintenance and cell turnover throughout the planarian body continue unaffected when fst is inhibited, even though these activities rely on the same neoblast cell population that creates new tissue during regeneration.
They assessed gene activity at time points known to correspond with key phases of disease: the «induction phase,» the time before the peak level of photoreceptor cell death; the «execution phase,» when the highest rates of photoreceptor cell death occur; and the «chronic phase,» during which photoreceptor cell death continues at somewhat reduced levels.
However, based on the ability of cell extracts that are defective in two different TFIIH components (XPD and XPB) to complement NER activity in vitro [26], it is likely that TFIIH (or its components) can either multimerise or exchange at least during the NER reaction.
During a seizure, the normal patterns of electrical activity are disrupted, and the cells start to fire at the same pace all at once.
Flavio Donato's work has revealed that, during development, stellate cells in the medial entorhinal cortex are the source of an activity - dependent instructive signal necessary for the maturation of those neurons that give us a sense of where we are.
Regulation of phospholipid scramblase activity during apoptosis and cell activation by protein kinase C$ ẹlta $.
Direct Transcriptional Up - regulation of Cyclooxygenase - 2 by Hypoxia - Inducible Factor (HIF)-1 Promotes Colorectal Tumor Cell Survival and Enhances HIF - 1 Transcriptional Activity during Hypoxia
«Slow gamma activity that occurs during the ripples organizes the firing of these cells.
Thus, slow gamma activity — the coordination of cell firing during playback — appears to be a critical factor in memory consolidation, rather than the number of replay events from the ripples.
«We found that, during periods of recurrent network activity, cortical pyramidal cells in vivo and in vitro receive strong barrages of both excitatory and inhibitory postsynaptic potentials, with the inhibitory potentials synchronously controlling the timing of action potentials.»
Olesen R, Vigano S, Rasmussen T, Søgaard OS, Ouyang Z, Buzon M, Bashirova A, Carrington M, Palmer S, Brinkmann CR, Yu XG, Østergaard L, Tolstrup M, Lichterfeld M. Innate immune activity correlates with CD4 T cell - associated HIV - 1 DNA decline during latency - reversing treatment with panobinostat.
The microRNA pathway represents both a way for scientists to «knock down» the activity of just one gene in the laboratory, and a major way for cells to regulate their genes during development.
Furthermore, we describe activity in retinal ganglion cell terminals and superficial inhibitory interneurons in the tectum during looming and propose a model for how temporal dynamics in tectal periventricular neurons might arise from com - putations between these two fundamental constitu - ents.
Functional imaging using in vivo confocal microscopy which allows the analysis of vaso - activity phenomena during hypoxia, of ischaemia reperfusion events, or of homing cells in pathologic processes, such as tumours or inflammatory diseases.
Adding to the complexity of this disease, people with T1D also have dysfunctional alpha cells that, during activities such as exercise, permit uncorrected and dangerously low glucose levels that can lead to unconsciousness or even death.
First, we find that microRNA activity is modulated during dauer in order to regulate cell fate.
The combination technique developed by Yang et al. will likely be used by other scientists to further study the role of NMDA receptors in specific brain cells during addiction and normal brain activity.
Adenosine's role is to accumulate itself during some kind of daily activity, attach itself to the brain cells» receptors and make us feel drowsy as the day nears its end ensuring we fall asleep quickly and have a quality sleep.
That's because liver cells rely on antioxidant glutathione during normal detoxification activities.
The combination of grape extract and physical activity offers more protection than physical activity alone 06.03.2018 Betaine forces fat cells to eat themselves 17.02.2018 Nine easy ways to lose body fat 13.02.2018 Sewage water during bodybuilding competitions full of DNP 04.02.2018 «Safe» DNP cycle, fatal outcome 27.01.2018 Paleo diet makes fat cells lazy (and if you're trying to lose weight, that's exactly what you want) 21.01.2018 Legumes facilitate weight maintenance and fat loss 20.01.2018 More sleep = less sugars in your diet 17.01.2018 Low intensity cardio before breakfast burns more fat if you take some L - phenylalanine 29.12.2017 Slimming goes better with a couple of tablespoons of chia daily 23.12.2017 Better weight loss results with intermittent low - calorie diet 01.12.2017 Circuit training with light weights causes just as much fat loss as classic cardio training 23.11.2017 Allulose, the low - calorie carb that boosts fat burning 19.11.2017 Alpha - linolenic acid - diacylglycerol steps up fat burning 16.11.2017 People who use light products are fatter 30.10.2017 This is what happens if you eat 14 g goji berries every day 17.10.2017 Soft drink ruins slimming effect of high - protein diet 14.09.2017 When children take 8 g inulin daily their fat layers stop growing 09.08.2017 Enhanced fat burning through green and white tea - brown fat cells play key role 13.07.2017 Short interval training between meals keeps a slimming diet on course 15.06.2017 Exercising before breakfast trains your fat tissues to break themselves down 01.06.2017 Lose weight without noticing it: drink water when you're thirsty 20.05.2017 Animal study: plant - based proteins with bad amino acid profile make you fatter 14.05.2017 Weight loss diet while physically inactive speeds up loss of muscle mass 12.05.2017 Lose weight faster than you'd believe possible: skip breakfast and jog for an hour 09.05.2017 Skip breakfast - a slimming trick that works 03.05.2017 Eating whole grain products instead of refined ones saves you a hundred kilocalories a day 01.05.2017 Another fat browner: curcumin 27.04.2017 Two cups of green tea daily results in more brown fat 25.04.2017 Boost your flavonoid intake and lower your fat percentage 21.04.2017 Not a breakfast eater?
Your bones» matrix is broken down during your daily activities, and, if you're healthy, collagen cells (the building blocks of bone tissue) are filled in to restore and strengthen our skeletal structure through a process called remodelling.
a b c d e f g h i j k l m n o p q r s t u v w x y z